Store Sensor.Engine:MICRO SKU CGSEM4b $29.99 (USDollar) In stock Quantity: 1 Add to Bag Product Details Image above is pins down option. Image above is pins up option. RTC clock module. (supplied separately) The SEM does not come with a micro SD card. That is user-supplied. See http://www.37sensors.com/ and http://docs.37sensors.com/ for more information. Save this product for later Favorite